Brewer initially made the comments earlier this month during a debate of Republican gubernatorial candidates. She repeated them Friday when asked by a reporter for the basis of the claim.

"Well, we all know that the majority of the people that are coming to Arizona and trespassing are now becoming drug mules," Brewer said. "They're coming across our borders in huge numbers. The drug cartels have taken control of the immigration.

"So they are criminals. They're breaking the law when they are trespassing and they're criminals when they pack the marijuana and the drugs on their backs."